| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Edmund Frederick Warburg | | 1/5/1932 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Fulbourn | Thomas Gaskell Tutin | | 5/1932 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Sawston | A C Leslie | | 30/5/1987 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Trumpington | Leicester Darwall | | 8/4/1834 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC34 West Gloucestershire, Westerleigh | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 20/4/1921 17/8/1921 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC37 Worcestershire, Brace's Leigh | Richard Francis Towndrow Spencer Henry Bickham | Spencer Henry Bickham | 29/8/1904 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC37 Worcestershire, Madresfield | F Towndrow Spencer Henry Bickham | Spencer Henry Bickham | 6/4/1905 8/8/1905 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Kenilworth Chase | Henry Bromwich | John Durbin Gray | 4/1881 to 9/1881 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC39 Staffordshire, Enville | John (Joannis) Fraser | John (Joannis) Fraser | 14/5/1873 8/9/1873 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Eyton | T C Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Eyton | J C Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Eyton upon the Weald Moore | Thomas Campbell Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC50 Denbighshire, Cefn-y-rhodfa | Cambridge Botany Schppl Expedition, Wales | | 20/8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC50 Denbighshire, Llanrhaiadr-ym-Mochnant | Cambridge Botany Schppl Expedition, Wales | | 14/8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC52 Anglesey, Llyn Maelog | Christopher David Preston Nicholas F Stewart | | 27/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, King's Norton | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles Arthur Reginald Horwood Charles Edward Moss | 11/7/1904 1/9/1909 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, Quenby | Arthur Reginald Horwood | Arthur Reginald Horwood Spencer Henry Bickham | 14/8/1906 4/1907 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, South Croxton | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles Joseph Edward Little Arthur Edward Wade | 24/4/1916 28/5/1916 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC56 Nottinghamshire, Averham | | Richard Crewdson Leaver Howitt | 30/4/1953 11/8/1953 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Set of British Willows | 1894 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Set of British Willows | 15/4/1893 12/6/1893 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Marbury Mere | Richard Crewdson Leaver Howitt | Richard Crewdson Leaver Howitt | 8/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC61 South-east Yorkshire, Stillingfleet | T Bray | Richard Crewdson Leaver Howitt | 8/7/1879 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC64 Mid-west Yorkshire, Otley | Christopher David Preston P P Abbott | | 22/7/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington | 8/4/1841 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 7/4/1842 27/6/1842 9/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 11/5/1842 6/8/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 25/3/1842 21/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 9/4/1842 23/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 25/3/1842 9/4/1842 22/4/1842 21/6/1842 9/7/1842 23/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | | 8/1841 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/4/1842 27/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 11/5/1842 to 8/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 7/4/1842 9/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC69 Westmorland, Appleby | | Richard Crewdson Leaver Howitt | 7/1978 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC71 Isle of Man, Spaldrick Bay | David Elliston Allen | | 15/9/1952 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC75 Ayrshire, Balsalloch | Richard Crewdson Leaver Howitt | Richard Crewdson Leaver Howitt | 9/1974 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Blacklaw | Andrew Brotherston | Charles Cardale Babington | 5/1877 9/1877 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Bowmont Forest | Andrew Brotherston | | 10/1876 to 5/1877 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | Charles Cardale Babington | 4/1875 8/1875 | CGE |